main.cpp

00001 #include "mbed.h"
00002 #include "TextLCD.h"
00003 #include "Keypad.h"
00004 
00005 Serial rs232(USBTX, USBRX);
00006 AnalogIn AnalogPin(PTB0);
00007 DigitalOut pinOut(PTB1);
00008 
00009 TextLCD lcd(PTE20,PTE21,PTE22,PTE23,PTE29,PTE30, TextLCD::LCD16x2); // Rs, E, d4, d5, d6, d7, RW=GND
00010 Keypad keypad(PTB11,PTB10,PTB9,PTB8,PTE5,PTE4,PTE3,PTE2); // c1, c2, c3, c4, f1, f2, f3, f4
00011 
00012 char key;
00013 int released=1,unidades,decenas,centenas;
00014 float setpoint,valor_adc;
00015 
00016 void read_kpad()
00017 {
00018     key=keypad.ReadKey();
00019     if(key=='\0') released=1;
00020     if((key!='\0') && (released==1)) {
00021         released=0;
00022     }
00023 
00024 }
00025 
00026 void setup_pyrom()
00027 {
00028       int i=0;
00029       lcd.cls();
00030       lcd.locate(1,1);
00031       lcd.printf("SETUP...");
00032       rs232.printf("SETUP...");
00033       wait(1);
00034       lcd.cls();
00035       while(i<=2){
00036       read_kpad();
00037       wait(0.5);
00038       if(key!='\0'){ 
00039          if(i==0){centenas=key-48;lcd.locate(1,1);lcd.printf("%c",key);if(centenas>1){centenas=1;}}
00040          if(i==1){decenas=key-48;lcd.locate(2,1);lcd.printf("%c",key);}
00041          if(i==2){unidades=key-48;lcd.locate(3,1);lcd.printf("%c",key);}
00042           ++i;}
00043       }
00044          wait(0.25);
00045          setpoint=unidades+10.0*decenas+100.0*centenas;
00046          lcd.cls();
00047          lcd.locate(1,1);
00048          lcd.printf("SP: %fdegC    ",setpoint);
00049          rs232.printf("SP: %fdegC    ",setpoint);
00050          wait(1);
00051          lcd.cls();
00052          lcd.locate(1,1);
00053          lcd.printf("SETUP OK");
00054          rs232.printf("SETUP OK");
00055          wait(1);
00056 }
00057 
00058 int main()
00059 {
00060     rs232.baud(115200);
00061     rs232.printf("Control ON-OFF \n\r");
00062     lcd.printf("Control ON-OFF \r\n");
00063     wait(1);
00064     lcd.cls();
00065 
00066     while (1) {
00067         valor_adc=AnalogPin.read()*300;//guardar en entero y mostrar el enetero
00068         lcd.locate(1,1);
00069         lcd.printf("SP; %fdegC ",setpoint);
00070         lcd.locate(1,2);
00071         lcd.printf("PV; %fdegC ",valor_adc);
00072         rs232.printf("%f,%f \r \n",setpoint,valor_adc);
00073         
00074         read_kpad();
00075         if(key=='*') {
00076             setup_pyrom();
00077         }
00078 
00079         if(valor_adc>=setpoint) {
00080             pinOut=0;
00081         } else {
00082             pinOut=1;;
00083         }
00084         wait(0.3);
00085 
00086     }
00087 }